@article{GDZPPN00232055X,
title = {Cuspidal Projections of Space Curves.},
journal = {Mathematische Annalen},
volume = {255},
year = {1981},
pages = {95-120},
zbl = {0468.14010},
url = {http://dml.mathdoc.fr/item/GDZPPN00232055X}
}
Piene, Ragni. Cuspidal Projections of Space Curves.. Mathematische Annalen, Tome 255 (1981) pp. 95-120. http://gdmltest.u-ga.fr/item/GDZPPN00232055X/